Synthesis of 4-(Acylacetyl)-1-phenyl-2-pyrazolin-5-ones from 3-Acyl-2H-pyran-2,4(3H)-diones. Their Synthetic Applications to Functionalized 4-Oxopyranopyrazole Derivatives.

DOI: 10.1021/jo00170a041

Source and publish data:

Journal of Organic Chemistry p. 4078 - 4082 (1983)

Update date:2022-08-04

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Authors:

Gelin, Suzanne

Chantegrel, Bernard

Nadi, Abdel Ilah

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Article abstract of DOI:10.1021/jo00170a041

The phenylhydrazones of 3-acyl-2H-pyran-2,4(3H)-diones (2), in refluxing acetic acid, underwent rearrangement to 4-(acylacetyl)-1-phenyl-2-pyrazolin-5-ones (6), from which some functionalized 4-oxopyrano<2,3-c>pyrazole derivatives were synthesized.This fi

Full text of DOI:10.1021/jo00170a041

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